| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [adj] a period | 8 |
|
| 2 | [noun sg] [prep] [adj] a period | 7 |
|
| 3 | [prep] [adj] [prep] a period | 17 |
|
| 4 | [prep] [adj] [prep] a period | 17 |
|
| 5 | [prep] [adj] and a period | 8 |
|
| 6 | [prep] [adj] and a period | 8 |
|
| 7 | [prep] [adj] [coord] a period | 8 |
|
| 8 | [prep] [adj] [conj] a period | 8 |
|
| 9 | [prep] [adj] for a period | 7 |
|
| 10 | [prep] [adj] for a period | 7 |
|
| 11 | [prep] [adj] [noun] a period | 5 |
|
| 12 | [prep] [adj] a [adj] period | 26 |
|
| 13 | [prep] [adj] a [adj] period | 26 |
|
| 14 | [prep] [adj] a long period | 10 |
|
| 15 | [prep] [adj] a long period | 10 |
|
| 16 | [prep] [adj] a short period | 9 |
|
| 17 | [prep] [adj] a short period | 9 |
|
| 18 | [prep] [adj] a period [prep] | 10 |
|
| 19 | [prep] [adj] a period [prep] | 10 |
|
| 20 | [prep] [adj] a period of | 10 |
|
| 21 | [prep] [adj] a period of | 10 |
|
